Give the molar concentration of HCl with a specific gravity of 1.18 and has 37.0 % (w/w) purity. (

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Measure the mass of 0.400g of Co(NO3)2 + 6H2O and dissolve it in 15mL of distilled or deionized…

A: Limiting reagent is that reacts completely in the reaction.     Number of moles of…

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is…

A: Given, Percent transmittance value of solution A = 56 % Percent transmittance value of solution B =…

Q: A solution is prepared by mixing 50.0 mL of 0.50 M Cu(NO3)2 with 50.0 mL of 0.50 M CO(NO3)2- Solid…

A:

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Calculate the molar concentration of a solution that is 50.0% NaOH (w/w) and has a specific gravity…

A: The molar concentration of a solution that is 50.0% NaOH (w/w) and has a specific gravity of 1.52 is…

Q: wo salts A and B are dissolved in water. At the temperature of the experiment, the solubility of A…

A:

Q: What are the principles behind caffeine being extracted from coffee using the above items?

A: Caffeine extraction from coffee

Q: A group of students titrate a calcium carbonate standard solution repeatedly in five experimental…

A: Average concentration = 80.5 ppm Standard deviation = 0.5 ppm Confidence interval = 95% Number of…

Q: A) A solution made by adding 1.63 g of K2S (MM=110.3 g/mol) to 10.0 mL of H2O has a volume at 20oC…

A: #(A): Mass of the solute, K2S(MM=110.3 g/mol) taken = 1.63 g  Volume solution, V = 11.1 mL

Q: Are there any difference between using a 2% NaCl and using a water in the paper chromatography. If…

A: Chromatography is defined as the process of separation of components on the basis of color.

Q: Prepare the following solutions: 100.0 mL 0.0500 M stock Ca2+ solution 50.0 mL 0.0050 M working…

A: Given data, Concentration of stock solution = 0.0500M Concentration of desired solution = 0.0050M…

Q: 21.929 Mass empty test tube and stopper Mass test tube, stopper and cyclohexanc Mass of cyclohexane…

A: Mass of cyclohexane(Solvent) = 6.39 g Mass of unknown in mixture 1 = 0.06 g' Mass of unknown in…

Q: (Concentration) You are tasked to prepare 300.000 ppb of a sodium carbonate standard for a…

A: Parts per billion (ppb) concentration is defined as: mass of solute (in grams)volume of solution (in…

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is…

A: Given, Percent transmittance of solution A = 56 % Percent transmittance of solution B = 33 % Percent…

Q: In the standardization of HCl using pure anhydrous sodium carbonate as primary standard for methyl…

A: Here we have to determine the normality of HCl if in a titration 1ml of HCl is equivalent to 0.05 g…

Q: mass of dish 1631.5 g   mass of dish and mix 1822 g   mass of dish and agg. after extraction…

A: We have find out the volume of the solvent.

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is…

A: Cold vapour atomic absorption spectroscopy or CVAAS is one of the primary techniques for mercury…

Q: An environmental chemist working for the Environmental Protection Agency (EPA) was directed to…

A: Varying amounts of 85.0 ppb (μg/L) Cd2+ standard solution were added to the unknown sample solution.…

Q: The gravimetric factor used to express CoCBr6·H20 in a sample that is finally weighed as PbClBr is…

A: Gravimetric factor

Q: Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. From the stock solution (0.020…

A:

Q: A chemist receive different mixtures for analysis with the statement that it contain NaOH, NaHCO3 ,…

A: NaOH and NaHCO3 can't be present together in a mixture since they react to form Na2CO3.   Thus,…

Q: 1. What is the MW of the analyte? 2. What is the meq of the analyte? 3. What will be the weight (in…

A: Since you have asked a question with multiple subparts we will answer the first three for you. To…

Q: Consider 2 aqueous solutions: H2O/NaCl and H2O/CH3OH.  Which one will exhibit a…

A: Raoult's law states that a solvent's partial vapour pressure in a solution (or mixture) is equal or…

Q: Using dimensional analysis, find the mass of acetylalicylic acid in one tablet of aspirin. The grams…

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Q: The peak integrations of a chromatogram resulting from a GC analysis of a mixture containing…

A: Area under the curve of GC is correspond to mass of that component.

Q: Explain in detail how you would make the solution from the previous question (50.00 mL a 300 ug/dL…

A: We have to prepare 50.00 mL of a 300 μg/dL solution from a 1500 μg/dL stock solution. So, here the…

Q: A crucible and its cover weigh 65.82 grams. You add a hydrate of a salt and it now weighs 83.77 g…

A: Given :  Weight of crucible + cover = 65.82 gm  Weight of hydrated salt in crucible = 83.77 gm…

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is…

A: In the above question, mecury Determination have to perform in undiluted sample. Most common method…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A:

Q: An unknown 36% v/v monohydroxide reagent has a density of 1.8 g/mL. Zeus wanted to determine the…

A: Suppose, concentration of the unknown base in 36% v/v solution is S M The required formula is: V1×S1…

Q: -Volume of unknown acid___ -Average molarity of NaOH from above__ -mL of NaOH at equivalence point__…

A: Solutions- Given data- Sheet of pH readings, Molarity of NaOH etc.

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A: a

Q: y pipet, 5.00 mLmL  of a 0.823 MM stock solution of potassium permanganate (KMnO4) was transferred…

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Q: A weight of 0.50 g was taken impure container containing sodium carbonate and bicarbonate. Dissolved…

A: In the carbonate composition analysis, the mixture containing unknown amounts of sodium carbonate…

Q: Preparation of 100 ml 1.0 molar (1.0M) H2SO4 solution (specific gravity, 1.8 g/ml and purity, 98%).…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: 780 mL of 1.10% (w/v) aqueous BaCl2 from a 0.400 M BaCl2 solution. mL with water. Take mL of the…

A: Volume of 0.40 M BaCl2 solution to make 1.10% (w/v) 780 mL of BaCl2 solution = ?  Volume of…

Q: What would be the mass percentage of the final solution made by mixing 200. g of ethanol into 2.5 kg…

A: Mass percentage of a solution: The mass of solute in gram present in 100 g of a solution is known as…

Q: How do you prepare 250 ml 0.05 M CuCl2 solution from 0.1 M CuCl2 stock solution? Lütfen birini…

A: Given that: volume of CuCl2 V1 = 250 mL molarity of CuCl2 M1 = 0.05 M molarity of CuCl2 stock…

Q: 20 Carbamazepine tablets were found to weigh 10.000 g in total. The tablets were ground to a fine…

A: This problem employs unitary method, dilution equation and absorbance equation.  Absorbance is…

Q: 1. What the difference between primary and secondary standard substances?

A: Since we only answer one question at a time, so we'll answer the first one. Please resubmit the…

Q: The first goal is to make the oxalic acid standard solution.  You measure 1.5232 g of oxalic acid on…

A: Molarity of a solution can be obtained by dividing the number of moles of solute by the volume of…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A:

Q: Blank determinations reveal errors due to interfering contaminants from the reaagents and vessels…

A: Here we have to say above statement is true or false-

Q: concentration of the total suspended solid. In the laboratory, 5 mL of the water sample was…

A: Initial weight of glass fiber filter = 0.2431 g = 243.1 mg  and Glass fiber filter + suspended solid…

Q: 1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A: Since you have posted multiple questions, we will answer the very first question. kindly repost the…

Q: Does it possible to use gravimetric analysis  to quantiify certain parameters as indicators of…

A:

Q: The first goal is to make the oxalic acid standard solution.  You measure 1.5232 g of oxalic acid on…

A: Since, Number of moles of a substance is the ratio of mass of the substance to its molecular mass.…

Q: The homogeneity of the chloride level in a water sample from a lake was tested by analyzing por-…

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Q: Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%

A: Given Volume of solution = 1500ml  Normality = 0.5 N Specific gravity = 1.84 g/ ml % solution = 97